2597490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 144

約数和(自身を含む): 8536320

約数和(自身を除く): 5938830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 31, 35, 38, 42, 45, 49, 57, 62, 63, 70, 90, 93, 95, 98, 105, 114, 126, 133, 147, 155, 171, 186, 190, 210, 217, 245, 266, 279, 285, 294, 310, 315, 342, 399, 434, 441, 465, 490, 558, 570, 589, 630, 651, 665, 735, 798, 855, 882, 930, 931, 1085, 1178, 1197, 1302, 1330, 1395, 1470, 1519, 1710, 1767, 1862, 1953, 1995, 2170, 2205, 2394, 2790, 2793, 2945, 3038, 3255, 3534, 3906, 3990, 4123, 4410, 4557, 4655, 5301, 5586, 5890, 5985, 6510, 7595, 8246, 8379, 8835, 9114, 9310, 9765, 10602, 11970, 12369, 13671, 13965, 15190, 16758, 17670, 19530, 20615, 22785, 24738, 26505, 27342, 27930, 28861, 37107, 41230, 41895, 45570, 53010, 57722, 61845, 68355, 74214, 83790, 86583, 123690, 136710, 144305, 173166, 185535, 259749, 288610, 371070, 432915, 519498, 865830, 1298745, 2597490]

約数ペア:

[(1, 2597490), (2, 1298745), (3, 865830), (5, 519498), (6, 432915), (7, 371070), (9, 288610), (10, 259749), (14, 185535), (15, 173166), (18, 144305), (19, 136710), (21, 123690), (30, 86583), (31, 83790), (35, 74214), (38, 68355), (42, 61845), (45, 57722), (49, 53010), (57, 45570), (62, 41895), (63, 41230), (70, 37107), (90, 28861), (93, 27930), (95, 27342), (98, 26505), (105, 24738), (114, 22785), (126, 20615), (133, 19530), (147, 17670), (155, 16758), (171, 15190), (186, 13965), (190, 13671), (210, 12369), (217, 11970), (245, 10602), (266, 9765), (279, 9310), (285, 9114), (294, 8835), (310, 8379), (315, 8246), (342, 7595), (399, 6510), (434, 5985), (441, 5890), (465, 5586), (490, 5301), (558, 4655), (570, 4557), (589, 4410), (630, 4123), (651, 3990), (665, 3906), (735, 3534), (798, 3255), (855, 3038), (882, 2945), (930, 2793), (931, 2790), (1085, 2394), (1178, 2205), (1197, 2170), (1302, 1995), (1330, 1953), (1395, 1862), (1470, 1767), (1519, 1710)]